Hillsborough pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Hillsborough is medium; mugwort is medium; grass is low. Tomorrow (10 August 2026) levels are similar - mugwort declining. Over the following five days grass and mugwort will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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Tree pollen in Hillsborough comes mostly from ash and alder, with parks and mature gardens standing in contrast to the more built-up centre. The nearby belt of hedgerows adds further grass and tree pollen exposure, particularly under southwesterly winds. Locals with allergies tend to plan around two peaks a year rather than one long stretch.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    4/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Medium

    27/100

High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.

Tomorrow - 10 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    25/100

Air quality in Hillsborough

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Frequently Asked Questions

Is pollen high in Hillsborough right now?

On 9 August 2026, overall pollen levels in Hillsborough are moderate. Artemisia is the main contributor to airborne pollen, while grass remain at lower levels

Will pollen levels change in Hillsborough tomorrow?

On 10 August 2026, pollen conditions in Hillsborough will be different from today, with artemisia continuing to decline

Is pollen expected to decrease in Hillsborough this week?

According to the five-day outlook, artemisia, cypress, and grass pollen levels will increase later in the week.

Which pollen types are currently active in Hillsborough?

On 9 August 2026, Artemisia is the dominant pollen source in Hillsborough. grass are also present but at lower levels. hazel, cypress, and willow are not currently active.

When is pollen season in Hillsborough?
If you're wondering when hay fever kicks off in Hillsborough, it's mostly down to ash and alder. Grass then takes over from May right through September, peaking around June and July for most people. Ash pollen typically runs from March to May, while alder follows on from January to April. Handy to bear in mind before booking that garden party.
How often is the Hillsborough pollen forecast updated?

The Hillsborough pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Hillsborough come from nearby or far away?

Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.

Are pollen levels in Hillsborough based on measurements or forecasts?

Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.

Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Hillsborough, modern forecasts combine recent measurements, weather data, and information about local vegetation.

This allows us to estimate pollen levels for today and the coming days, not just report the past.

Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.

Want to see pollen forecasts for other cities in United Kingdom?

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Check pollen in other popular cities:

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Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Hillsborough.

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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.

Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.